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[Cutaneous pseudolymphoma caused by carbamazepine]
M d'Incan1, M L Mouillet, H Roger
1Service de Dermatologie-Vénéréologie, Hôtel-Dieu, Clermont-Ferrand.
Annales De Dermatologie Et De Venereologie
|September 25, 1998
Summary
Drug-induced pseudolymphomas mimic lymphoma but are benign after drug withdrawal. Carbamazepine can cause this condition, highlighting the need for drug investigation in suspected lymphoma cases.
Area of Science:
- Dermatology
- Oncology
- Pharmacology
Background:
- Drug-induced cutaneous pseudolymphomas are rare conditions that clinically and pathologically resemble malignant lymphomas.
- Despite their concerning appearance, these pseudolymphomas have a benign clinical course, resolving after the causative agent is discontinued.
Observation:
- A case of carbamazepine-induced pseudolymphoma in a 30-year-old woman is presented.
- This case is notable for its minimal clinical presentation, with only six small papules observed.
Findings:
- Carbamazepine, Phenytoins, barbiturates, and ACE inhibitors are identified as primary drug culprits for cutaneous pseudolymphomas.
- These drug-induced lesions often mimic T-cell lymphomas, presenting a diagnostic challenge.
- The clinical spectrum ranges from severe presentations like erythroderma to milder forms, as seen in this case.
Implications:
- Mandatory drug investigation is crucial for patients presenting with cutaneous infiltrates resembling lymphoma.
- Prompt identification and withdrawal of the offending drug can lead to complete and permanent resolution of pseudolymphoma lesions.
- This underscores the importance of considering drug reactions in the differential diagnosis of cutaneous lymphomas.